1 files changed, 5 insertions, 12 deletions

diff --git a/src/lib.rs b/src/lib.rs
index e523ee1..0022703 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -59,7 +59,7 @@ impl<'a> Simulation<'a> {
             },
             payed_amortized: 0.,
             history: vec![],
-            updates: SimUpdates::new(),
+            updates: SimUpdates::default(),
         }
     }
 
@@ -206,20 +206,13 @@ impl fmt::Display for Quota {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 pub struct SimUpdates<'a> {
     periodically: Vec<(u32, Vec<&'a SimUpdate>)>,
     by_month: HashMap<u32, Vec<&'a SimUpdate>>,
 }
-// pub type SimUpdates<'a> = HashMap<u32, &'a SimUpdate>;
-impl<'a> SimUpdates<'a> {
-    pub fn new() -> Self {
-        SimUpdates {
-            periodically: vec![],
-            by_month: HashMap::new(),
-        }
-    }
 
+impl<'a> SimUpdates<'a> {
     fn get(&self, month: u32) -> Vec<&'a SimUpdate> {
         let SimUpdates {
             periodically,
@@ -272,13 +265,13 @@ impl fmt::Display for SimUpdate {
 
 impl SimUpdate {
     pub fn every(&self, months: u32) -> SimUpdates {
-        let mut updates = SimUpdates::new();
+        let mut updates = SimUpdates::default();
         updates.periodically.push((months, vec![self]));
         updates
     }
 
     pub fn at(&self, month: u32) -> SimUpdates {
-        let mut updates = SimUpdates::new();
+        let mut updates = SimUpdates::default();
         updates.by_month.insert(month, vec![self]);
         updates
     }